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The cybersecurity landscape grows more complex each day, especially when it comes to protecting critical infrastructure. In this essential episode of the CISSP Cyber Training Podcast, Sean Gerber breaks down Domain 2 of the CISSP certification - a vital area representing approximately 10% of the exam questions that every security professional must master.

Sean begins with a timely discussion of the recently discovered Honeywell Experion PKS vulnerability that could allow remote manipulation of industrial processes. This real-world example perfectly illustrates why understanding industrial control security is crucial across all sectors - from energy and water treatment to manufacturing and healthcare. The vulnerability serves as a sobering reminder that patching isn't always straightforward in environments that operate 24/7/365.

Diving into Domain 2.1, Sean meticulously explains data classification fundamentals - how sensitivity levels are assigned based on business value, regulatory requirements, and potential compromise impact. He walks through the relationship between classification levels (public through highly confidential) and corresponding handling procedures. The podcast builds logically through ownership concepts, introducing essential roles like data owners, custodians, stewards, and asset owners.

Perhaps most valuable is Sean's practical exploration of asset inventory management. Drawing from his extensive experience, he shares surprising stories of servers found in bathroom closets and emphasizes why knowing your asset locations isn't just good practice - it's essential for incident response and vulnerability management.

The episode thoroughly covers the complete data lifecycle from collection through destruction. Sean explains data minimization principles, location considerations for sovereignty compliance, maintenance requirements, and proper destruction techniques. His discussion of data remnants highlights why simply deleting files is never sufficient for sensitive information.

Sean wraps up with crucial insights on end-of-life system management and data protection technologies including encryption, DRM, DLP, and Cloud Access Security Brokers. His rapid review approach efficiently condenses critical knowledge while maintaining depth where it matters most.

Whether you're preparing for the CISSP exam or seeking to strengthen your security program, this episode delivers actionable knowledge you can immediately apply. Visit CISSP Cyber Training for free study resources and take the next step in your cybersecurity journey today!

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